APA citiranje

Lafond, C., Welch, B., & Vine, S. (2001). English for negotiating. Oxford (New York): Oxford University Press.

Trích dẫn kiểu Chicago

Lafond, Charles, Birgit Welch, và Sheila Vine. English for Negotiating. Oxford (New York): Oxford University Press, 2001.

MLA citiranje

Lafond, Charles, Birgit Welch, và Sheila Vine. English for Negotiating. Oxford (New York): Oxford University Press, 2001.